Three-Monthly Check-Up; Yearly Maintenance - Biddle MAT Installation, Operation And Maintenance Manual

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Version: 4.0 (19-02-2003)
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6.1.3 Three-monthly check-up

Biddle recommends to carry out the following checks every
three months:
• Test and inspect the corridor frame and the suspension of
the air curtain units. They should show no sign of play or
rust.
• Inspect the electrical connections. The cables should be
well connected and the cable sleeves should be intact.
• Inspect the corridor. The insulation should show no leaks.

6.1.4 Yearly maintenance

Biddle recommends to have the following maintenance done
every year.
Danger:
Do not attempt to carry out maintenance, unless
you are technically qualified.
• Clean the interior of the air curtain unit(s) and the fans.
Note:
The fan motors do not need to be lubricated.
• Visually inspect the electronic parts and wires within the
electronics compartment of the air curtain unit(s).
See Section 6.2 on how to access the interior of the air cur-
tain unit.
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